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What is the Least Common Multiple of 40272 and 40285?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 40272 and 40285 is 1622357520.

LCM(40272,40285) = 1622357520

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Least Common Multiple of 40272 and 40285 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40272 and 40285, than apply into the LCM equation.

GCF(40272,40285) = 1
LCM(40272,40285) = ( 40272 × 40285) / 1
LCM(40272,40285) = 1622357520 / 1
LCM(40272,40285) = 1622357520

Least Common Multiple (LCM) of 40272 and 40285 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40272 and 40285. First we will calculate the prime factors of 40272 and 40285.

Prime Factorization of 40272

Prime factors of 40272 are 2, 3, 839. Prime factorization of 40272 in exponential form is:

40272 = 24 × 31 × 8391

Prime Factorization of 40285

Prime factors of 40285 are 5, 7, 1151. Prime factorization of 40285 in exponential form is:

40285 = 51 × 71 × 11511

Now multiplying the highest exponent prime factors to calculate the LCM of 40272 and 40285.

LCM(40272,40285) = 24 × 31 × 8391 × 51 × 71 × 11511
LCM(40272,40285) = 1622357520